It might seem like a silly headline, but nitrous oxide—the same laughing gas used to ease pain and anxiety at the dentist—can be used to treat people with clinical depression. A new study had two groups of participants inhale gasses, one inhaled nitrous oxide, the other group inhaled a placebo. The study tracked participants for a week and found that all the individuals who inhaled laughing gas felt at least mildly better.
Laughing drives depression away
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